micrometer eyepiece
noun
An eyepiece (for a telescope, microscope, or other optical instrument) that contains a micrometer.
Origin
Mid 19th century; earliest use found in Philosophical Transactions of the Royal Society of London.
| 单词 | micrometer eyepiece |
| 释义 | micrometer eyepiecenoun An eyepiece (for a telescope, microscope, or other optical instrument) that contains a micrometer. Origin |
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